431312398 has 16 divisors (see below), whose sum is σ = 708721200. Its totient is φ = 195235200.

The previous prime is 431312383. The next prime is 431312417. The reversal of 431312398 is 893213134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35373 + ... + 45976.

It is an arithmetic number, because the mean of its divisors is an integer number (44295075).

Almost surely, 2^431312398 is an apocalyptic number.

431312398 is a deficient number, since it is larger than the sum of its proper divisors (277408802).

431312398 is a wasteful number, since it uses less digits than its factorization.

431312398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81603.

The product of its digits is 15552, while the sum is 34.

The square root of 431312398 is about 20768.0619702465. The cubic root of 431312398 is about 755.5513409207.

The spelling of 431312398 in words is "four hundred thirty-one million, three hundred twelve thousand, three hundred ninety-eight".